[Nexus] pixel_mask documentation
yayahjb at gmail.com
Tue Jul 9 15:08:59 BST 2013
The DECTRIS NeXus header specification includes under the detector
pixel_mask NX_UINT32 Pixel mask with the following bits corresponding
to special pixels:
2 under responding
3 over responding
5 non uniform
7 virtual pixel
I would suggest conforming the two lists.
On 7/9/13 9:28 AM, Tobias.Richter at diamond.ac.uk wrote:
> Hi all,
> NXdetector has a pixel_mask field that says:
> <field name="pixel_mask" type="NX_FLOAT">
> <doc>The pixel mask for the detector. Contains information about dead, blind or high pixels.</doc>
> <dimensions rank="2">
> <dim index="1" value="i"/>
> <dim index="2" value="j"/>
> First I am surprised it is a NX_FLOAT. And second there is no indication what values are used for what type of pixel.
> I'd assume anything non-zero means 'do not use pixel'.
> Just to have a start I'd suggest changing this to INT and useing:
> 0: pixel okay
> 1: dead
> 2: blind (non-existent virtual pixel)
> 3: high
> If I don't hear otherwise I'd update the definition with that clarification in two weeks.
> Kind regards,
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